/usr/include/ITK-4.5/vcl_complex_fwd.h is in libinsighttoolkit4-dev 4.5.0-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | //-*- c++ -*-------------------------------------------------------------------
#ifndef vcl_complex_fwd_h_
#define vcl_complex_fwd_h_
// This used to forward declare the std::complex classes. However,
// this created a mess on a number of compilers because they
// used internal magic to implement it. Since <complex_fwd> is
// not a C++ standard header file, this forwarding declaration
// file no longer forward declares. It is now equivalent to including
// vcl_complex.h, which is what you should've been doing in the
// first place.
// -- Amitha Perera
#include "vcl_complex.h"
#endif // vcl_complex_fwd_h_
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